[{"senderKeyId":1279822971,"senderChainKey":{"iteration":3,"seed":"E89vafYvRw1HlKmgGI8MjKGFzF45vYu/BGM08mjvLhI="},"senderSigningKey":{"public":"BVmb9vhUufRg8mPpLU+txruXTKvYWWmtpoBdSpPVMSoy"},"senderMessageKeys":[]}]